Precursors

In chemistry, a precursor is a compound that participates in a chemical reaction that produces another compound.

Palladium(II) chloride is a palladium salt represented by PdCl2.

Chloro(triphenylphosphine)gold(I) is used in Cyclisation of O-Propargyl Carbamates

50 wt. % solution in dilute HCl

40 wt. % in dilute HCl

Ruthenium(III) chloride hydrate is a precursor used in the manufacture of ruthenium containing catalysts